Muffler.



. and

provided wh a s ris (mam '5.1911' mward E?) and 20. who, @xhzmst @im Simi, esima ing it will be apparent that changes may be made without departing from the spirit or scope of the invention.

llaving thus described my invention, what l claim and desire to secure by Letters Patent is: f

l. il muller comprising a casing having an impertorate dividing wall therein, and 'independent exhaust passages in said casing, separated by said wall.

2. A muller eon'iprising a casing having an imperforate dividing Wall therein, and symmetrical exhaust passages on opposite sides of said. Wall. l

3. il muilier comprising a casing having an impcri'crate dividing wail therein, and symmetrical independent exhaust passages on opposite sides of said wall.

A muliler comprising a cylindrical casing having a dividing Wall therein 'separating said casing into semi-cylindrical compartments, and symmetrical exhaust passages in said compartment A.. muller comprising a cylindrical casing having an imperforate dividing wall therein, and a plurality or inlet and outlet passages for exhaust gas, the respective inlets and outlets being separated by said dividing wall.

6. A mulller comprising a casing having two independent inlets and corresponding outlets, and muilling passages Within the cas' ing connecting the respective inlets and outlets, the passages romone inlet to its cor- Macnee Aresponding outlet being independent of the other passages.

7. A inufiler comprisinga cylindrical cas-1 gitudinal partition in said casing dividing it into two compartments, a perforated tubular member in each compartment communieating with its respective inlet opening, and a second perioated tubular member of irs regular cross section in each compartment surrounding and somewhat larger than the first tubular members respectively, said out-.

let openings communicating with the co1npertinents respectively.-

ln testimony whereoi3 Iafiix my signature in the presence of two Witnesses,`

animar/i n. MC'CULLA'.

1Witnesses i @Lanz S. Corn, La loi J. llntLmMs.V 

